CN107222450A - A kind of network node and realize the method and apparatus communicated between network node - Google Patents
A kind of network node and realize the method and apparatus communicated between network node Download PDFInfo
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- CN107222450A CN107222450A CN201610161228.8A CN201610161228A CN107222450A CN 107222450 A CN107222450 A CN 107222450A CN 201610161228 A CN201610161228 A CN 201610161228A CN 107222450 A CN107222450 A CN 107222450A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 321
- 238000012545 processing Methods 0.000 claims abstract description 59
- 230000006854 communication Effects 0.000 claims abstract description 55
- 238000005538 encapsulation Methods 0.000 claims abstract description 55
- 238000004891 communication Methods 0.000 claims abstract description 53
- 230000000694 effects Effects 0.000 claims description 5
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- 230000005570 vertical transmission Effects 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/24—Negotiation of communication capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
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Abstract
Disclosed herein is a kind of network node and realize the method and apparatus communicated between network node, the application network node is split as the application node for completing the related processing of application, and for the session transmissions node for the processing for completing the necessary session of communication and transmission；Wherein, application node, for being delivered to session transmissions node after the message for needing to send is indicated into layer and/or application layer encapsulation；Session transmissions node, for determining transmission link according to target network node and transport-type, and the expression layer and/or application layer payload of transmission link self-application in the future node for passing through determination carry out being sent to target network node after including session layer, and/or transport layer, and/or Internet, and/or data link layer encapsulation.Because network node is split for application node and session transmissions node in the present invention, the interface communication that a node is realized is without all including from physical layer until each layer such as application layer realizes that therefore, network topological change becomes simple, flexible；It also simplify the communication process between network node.
Description
Technical field
The present invention relates to, but not limited to the network communications technology, espespecially a kind of network node and network node is realized
Between the method and apparatus that communicate.
Background technology
Communication mode follows Open System Interconnection (OSI, Open System substantially between current network node
Interconnection) seven layer model, seven layer model includes：Physical layer, data link layer, Internet,
Transport layer, session layer, expression layer, application layer.That is, what each traditional network node was realized
Interface communication is all included from physical layer until each layer such as application layer is realized (in some cases and has been not present
Whole seven layers), it is many using point to point system communication between network node.
Problems with can be caused based on this point to point link mode between existing network node：Due to every
Link between two network nodes needs to be consulted to complete by two nodes, if dynamically to increase in a network
Added deduct few network node, and the link between network node can also be increased or decreased therewith, therefore network topology
Complicated and change network topology difficulty；On the other hand, even if network path is logical, two without direct chain
During communication between the network node on road can only be transmitted by some network nodes for having link with them
After, it is impossible to dynamically directly increase link between two network nodes, so so that network path is drawn
Long and network topology ossifys；Moreover, need to consult some parameters for setting up connection in advance between network node,
Even layer parameter is applied including transport layer parameters, session layer parameter so that the communication between network node becomes
Obtain complicated.
The content of the invention
The present invention provides a kind of network node and realizes the method and apparatus communicated between network node, can drop
The problem of low spot point to-point communication mode is caused.
In order to reach the object of the invention, the invention provides a kind of network node, including for completing application
The application node of related processing, and for the session for the processing for completing the necessary session of communication and transmission
Transmission node；
Wherein, application node, the encapsulation for the message for needing to send to be indicated to layer and/or application layer
After be delivered to session transmissions node；
Session transmissions node, session relationship is determined for the information and transport-type according to target network node
And transmission link, and the expression layer and/or application layer of transmission link self-application in the future node for passing through determination have
Effect load carries out including the envelope of session layer, and/or transport layer, and/or Internet, and/or data link layer
Target network node is sent to after dress.
Alternatively, the different application nodes for belonging to same data center share the same session biography
Defeated node, or use the different session transmissions nodes.
Alternatively, the session transmissions node includes：Session for completing the necessary Dialog processing of communication
Node, and for completing the transmission node of the necessary transmission process of communication；Wherein,
Session node, corresponding transmission section is determined for the information and transport-type according to target network node
Point；The expression layer and/or application layer payload from the application node are delivered to what is selected
Transmission node and specify target network node or other be used for transmission node select link mark；
Transmission node, for according to target network node or other be used for transmission node select link mark
Determine transmission link, and by the transmission link of determination by the payload of acquisition include transport layer,
And/or the target network node is sent to after Internet, and/or data link layer encapsulation.
Alternatively, the session node is additionally operable to：The expression layer and/or application layer payload are carried out
Redelivered after session layer encapsulation to the transmission node selected.
Alternatively, the transmission node is divided into one or more transmission nodes according to different transport-types；
The same session node calls the transmission node of multiple different transport-types to send disappearing for corresponding types
Breath.
Alternatively, the information and transport-type of the target network node are specified by the application node；Or
Person,
The session transmissions node or the session node are additionally operable to：By the way that strategy or third party is locally configured
Determine the information and transport-type of the target network node.
Alternatively, the session transmissions node or session node determine that the transmission link includes：
According to the information and transport-type of the target network node, search whether to have had built up chain
Road, if do not set up, newly-built transmission link of writing a biography, if set up, is selected as transmitting path
The transmission link being set up is as transmitting path.
Alternatively, the application node and the session transmissions node are two independent entities, Huo Zhewei
It is arranged on the different modules in same entity.
Alternatively, the application node, the session node and the transmission node are three independent realities
Body, or to be arranged on the different modules in same entity.
Alternatively, the session node and the transmission node are two independent entities, or to set
Different modules in same entity.
Present invention also offers a kind of device realized and communicated between network node, including first processing module,
First interface module；Wherein,
First processing module, for the message for needing to send to be indicated into layer and/or application layer encapsulation；
First interface module, for packaged expression layer and/or application layer payload to be delivered into session
Transmission node.
Alternatively, described device is set within network nodes, or is an independent community.
The present invention realizes the device communicated between network node, including Second processing module there is provided a kind of again,
Second interface module；Wherein,
Second processing module, for receiving expression layer and/or application layer payload from application node；
Transmission link is determined according to target network node and transport-type；
Second interface module, has the expression layer and/or application layer of acquisition for the transmission link by determination
Effect load carries out including session layer, and/or transport layer, and/or Internet, and/or data link layer encapsulation
After be sent to target network node.
Alternatively, the information and transport-type of the target network node are specified by the application node；Or
Person,
The Second processing module is additionally operable to：The target network is determined by the way that strategy or third party is locally configured
The information and transport-type of network node.
Alternatively, the Second processing module determines that the transmission link includes：
According to the information and transport-type of the target network node, search whether to have had built up chain
Road, if do not set up, newly-built transmission link of writing a biography, if set up, is selected as transmitting path
The transmission link being set up is as transmitting path.
Alternatively, described device is set within network nodes；Or be an independent community.
Invention further provides a kind of device realized and communicated between network node, including the 3rd processing module,
3rd interface module；Wherein,
3rd processing module, for receiving expression layer and/or application layer payload from application node；
Corresponding transmission node is determined according to target network node and transport-type；
3rd interface module, expression layer and/or application layer payload for self-application node in future are delivered
To the transmission node selected and specify target network node or other be used for transmission node select link mark
Know.
Alternatively, the 3rd interface module is additionally operable to：The expression layer and/or application layer payload are carried out
Redelivered after session layer encapsulation to the transmission node selected.
Alternatively, the information and transport-type of the target network node are specified by the application node；Or
Person,
3rd processing module is additionally operable to：The target network is determined by the way that strategy or third party is locally configured
The information and transport-type of network node.
Alternatively, the 3rd processing module determines that the transmission link includes：
According to the information and transport-type of the target network node, search whether to have had built up chain
Road, if do not set up, newly-built transmission link of writing a biography, if set up, is selected as transmitting path
The transmission link being set up is as transmitting path.
Alternatively, described device is set within network nodes；Or be arranged in session transmissions node；Or
Person is an independent community.
Present invention also offers a kind of device realized and communicated between network node, including fourth processing module,
4th interface module；Wherein,
Fourth processing module, for receiving session layer and/or expression layer and/or application layer from session node
Payload；According to from the target network node of session node or other be used for transmission node select link
Mark determine transmission link；
4th interface module, for the transmission link by determination by the session layer and/or expression layer of acquisition and
/ or application layer payload be transmitted after layer, and/or Internet, and/or data link layer encapsulation send
To the target network node.
Alternatively, described device is set within network nodes；Or be arranged in session transmissions node；Or
Person is an independent community.
Invention further provides a kind of method realized and communicated between network node, network node is split as being used for
The application node of the related processing of application is completed, and for completing the place of the necessary session of communication and transmission
The session transmissions node of reason；Including：
Application node completes to need the expression layer and/or application layer of the message sent to encapsulate, and will be packaged
Expression layer and/or application layer payload are delivered to session transmissions node；
Session transmissions node determines transmission link according to the information and transport-type of target network node, and leads to
Cross the transmission link that determines by the expression layer of acquisition and/or application layer payload include session layer and
/ or transport layer, and/or Internet, and/or data link layer encapsulation after be sent to target network node.
Alternatively, the different application nodes for belonging to same data center share the same session biography
Defeated node, or use the different session transmissions nodes.
Alternatively, the session transmissions node is split as the session for completing the necessary Dialog processing of communication
Node, and for completing the transmission node of the necessary transmission process of communication；
Session node determines corresponding transmission node according to target network node and transport-type；Will be from institute
The expression layer and/or application layer payload for stating application node are delivered to the transmission node selected and specified
Target network node or other be used for transmission node select link mark；
Transmission node determines to pass according to target network node or other marks for being used for transmission node selection link
Transmission link, and wrapped the expression layer of acquisition and/or application layer payload by the transmission link of determination
Include and the target network node is sent to after transport layer, and/or Internet, and/or data link layer encapsulation.
Alternatively, this method also includes：The session node is effectively carried to the expression layer and/or application layer
Lotus conversates after layer is encapsulated and redelivered to the transmission node selected.
Alternatively, the transmission node is divided into one or more transmission nodes according to different transport-types；
The same session node calls the transmission node of multiple different transport-types to send disappearing for corresponding types
Breath.
Alternatively, the information and transport-type of the target network node are specified by the application node；Or
Person,
This method also includes：The session transmissions node or the session node by be locally configured strategy or
Third party determines the information and transport-type of the target network node.
Alternatively, the session transmissions node or session node determine that the transmission link includes：
According to the information and transport-type of the target network node, search whether to have had built up chain
Road, if do not set up, newly-built transmission link of writing a biography, if set up, is selected as transmitting path
The transmission link being set up is as transmitting path.
Compared with prior art, the application network node is split as completing answering for the related processing of application
With node, and the session transmissions node for the necessary session of completion communication and the processing of transmission；Wherein,
Application node, for the message for needing to send to be indicated into the meeting of being delivered to after the encapsulation of layer and/or application layer
Talk about transmission node；Session transmissions node, for determining that session is closed according to target network node and transport-type
System and transmission link, and the expression layer and/or application layer of transmission link self-application in the future node for passing through determination
Payload carries out including session layer, and/or transport layer, and/or Internet, and/or data link layer envelope
Target network node is sent to after dress.Because network node is split for application node and session in the present invention
Transmission node, the interface communication that a node is realized is without all including from physical layer until application layer etc. is each
Layer realizes that therefore, network topological change becomes simple, flexible；It also simplify logical between network node
Letter process.
Further, session transmissions node can also be split as session node and transmission node, further
Ground simplifies a node and realizes the agreement included required for interface communication, so that network topological change
It is simpler, flexible；Also it further simplify the communication process between network node.
Other features and advantages of the present invention will be illustrated in the following description, also, partly from froming the perspective of
Become apparent, or understood by implementing the present invention in bright book.The purpose of the present invention is excellent with other
Point can be realized and obtained by specifically noted structure in specification, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes one of the application
Point, schematic description and description of the invention is used to explain the present invention, does not constitute to the present invention's
It is improper to limit.In the accompanying drawings：
Fig. 1 is a kind of structure composed signal for the network node that application layer of the present invention is separated with session transport layer
Figure；
Fig. 2 be Fig. 1 of the present invention shown in network node between realize communication method embodiment flow chart；
Fig. 3 is of the invention based on the framework shown in Fig. 1, with the MME and HSS of 4G mobile core networks
Between realize communication embodiment schematic flow sheet；
Another structure composed signal for the network node that Fig. 4 application layers of the present invention are separated with session transport layer
Figure；
Fig. 5 (a) is of the invention based on the framework shown in Fig. 4, with the MME and SGW of 4G mobile core networks
Between realize communication embodiment schematic flow sheet；
Fig. 5 (b), based on the framework shown in Fig. 4, core is moved with 4G inside same data center to be of the invention
The schematic flow sheet of the embodiment of communication is realized between the SGW and PGW of heart net；
Another structure composed signal for the network node that Fig. 6 application layers of the present invention are separated with session transport layer
Figure；
The embodiment flow chart of the method for communication is realized between network node shown in Fig. 7 Fig. 6 of the present invention；
Fig. 8 is of the invention based on the framework shown in Fig. 6, with the MME and HSS of 4G mobile core networks
Between realize communication embodiment schematic flow sheet；
Fig. 9 is a kind of composition structural representation for realizing the device communicated between network node of the present invention；
Figure 10 is another composition structural representation for realizing the device communicated between network node of the present invention；
For the present invention, another realizes the composition structural representation of the device communicated between network node to Figure 11；
For the present invention, another realizes the composition structural representation of the device communicated between network node to Figure 12.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing
Embodiments of the invention are described in detail.It should be noted that in the case where not conflicting, this Shen
Please in embodiment and the feature in embodiment can mutually be combined.
Inventive network node is split as the application node for including being used to complete the related processing of application, and
For the session transmissions node for the processing for completing the necessary session of communication and transmission.Wherein,
Application node, the encapsulation for the message for needing to send to be indicated to layer and/or application layer obtains table
Session transmissions node is delivered to after showing layer and/or application layer payload；
Session transmissions node, session relationship is determined for the information and transport-type according to target network node
And transmission link, and the expression layer and/or application layer of transmission link self-application in the future node for passing through determination have
Effect load carry out network node communication it is necessary include session layer, and/or transport layer, and/or Internet,
And/or after the encapsulation such as data link layer, the message after encapsulation is sent to target network node.
Wherein, same session transmissions node can be shared by belonging to the different application node of same data center,
Different session transmissions nodes can also be used.
Wherein, the message that being indicated can obtain after layer and/or application layer encapsulation is expression layer and/or application layer
Payload.
Wherein, the interface between application node and session transmissions node can be customized interface, for example
Payload is transmitted plus pure IP, or other tunnels or non-IP interface modes.
Further, session transmissions node can also be split as completing the necessary Dialog processing of communication
Session node, and for completing the transmission node of the necessary transmission process of communication.Wherein,
Session node, session relationship is determined and true for the information and transport-type according to target network node
Fixed corresponding transmission node；Future self-application node expression layer and/or application layer payload be delivered to choosing
The transmission node selected out and specify target network node or other be used for the mark that transmission node selects link.
Further, the message that session node is additionally operable to transmit the need for self-application node future carries out including session
The transmission node selected is delivered to after the encapsulation (communicate necessary session layer Information encapsulation) of layer, this
When be delivered to transmission node message be session layer and expression layer and/or application layer payload.Namely
Say, the message that session node is delivered to transmission node can be that session layer and/or expression layer and/or application layer have
Imitate load.
Transmission node, for according to target network node or other be used for transmission node select link mark
Determine transmission link, and by the transmission link of determination by the session layer and/or expression layer of acquisition and/or application
It is to include transport layer, and/or Internet, and/or data that layer payload, which carries out network node communication necessary,
Link layer etc. is encapsulated, and the message after encapsulation is sent into target network node.
Wherein, the interface between session node and transmission node can be customized interface, for example effectively
Load is transmitted plus pure IP, or other tunnels or non-IP interface modes.
Wherein, the information and transport-type of target network node are specified by application node；Or,
Session transmissions node or session node are additionally operable to：Target is determined by the way that strategy or third party is locally configured
The information and transport-type of network node.
Wherein, transmission node can be divided into multiple transmission nodes according to different transport-types, and same session
Node can call the transmission node of multiple different transport-types.
It should be noted that application node and session transmission node can be two independent entities, also may be used
To be provided in the different modules in same entity.
It should be noted that application node, session node and transmission node can be three independent entities,
The different functional modules in same entity can also be provided in.Wherein, session node and transmission node
Can be two independent entities or the different functional modules being arranged in same entity.
Correspondingly, network node is split as：Application node for completing the related processing of application, and
For the session transmissions node for the processing for completing the necessary session of communication and transmission；The present invention realizes network section
The method communicated between point includes：
Application node completes to need the expression layer and/or application layer of the message sent to encapsulate, and will be packaged
Expression layer and/or application layer payload are delivered to session transmissions node；
Session transmissions node determines session relationship and transmission according to the information and transport-type of target network node
Link, and the expression layer of acquisition and/or application layer payload are carried out by network by the transmission link of determination
Node communication is necessary to include session layer, and/or transport layer, and/or Internet, and/or data link
The encapsulation such as layer, target network node is sent to by the message after encapsulation.
Wherein, the interface between application node and session transmissions node can be customized interface, for example
Payload is transmitted plus pure IP, or other tunnels or non-IP interface modes.
Wherein, the different application nodes for belonging to same data center share same session transmissions node,
Different session transmissions nodes can also be used.
Wherein, session transmissions node can also be further broken into：For completing at the necessary session of communication
The session node of reason, and for completing the transmission node of the necessary transmission process of communication；
The processing that session transmissions node is done is specifically included：
Session node determines corresponding transmission node according to target network node and transport-type；To come from should
The transmission node selected is delivered to the expression layer and/or application layer payload of node and target is specified
Network node or other be used for transmission node select link mark.Further, in addition to：Session section
The expression layer of point self-application node in future and/or the progress of application layer payload include the encapsulation of session layer (i.e.
Communicate necessary session layer Information encapsulation) after be delivered to the transmission node selected, be now delivered to transmission
The message of node is session layer and expression layer and/or application layer payload.That is, session node is thrown
The message for passing transmission node can be session layer and/or expression layer and/or application layer payload.
Transmission node determines to pass according to target network node or other marks for being used for transmission node selection link
Transmission link, and by the transmission link of determination by the payload of acquisition be session layer and/or expression layer and/
Or application layer payload carry out network node communication it is necessary i.e. include transport layer, and/or Internet and
/ or the encapsulation such as data link layer, the message after encapsulation is sent to target network node.
Wherein, transmission node is divided into one or more transmission nodes according to different transport-types；
Wherein, the interface between application node and transmission node can be customized interface, for example effectively
Load is transmitted plus pure IP, or other tunnels or non-IP interface modes.
Same session node calls the transmission node of multiple different transport-types to send the message of corresponding types.
In the inventive method, the information and transport-type of target network node are specified by application node；Or,
This method also includes：Session transmissions node or session node determine mesh by the way that strategy or third party is locally configured
Mark the information and transport-type of network node.
In the inventive method, session transmissions node or session node determine that transmission link includes：
According to the information and transport-type of target network node, search whether to have had built up transmission link,
If do not set up, newly-built transmission link of writing a biography is as transmitting path, if set up, and selects to have built
Vertical transmission link is used as transmitting path.
Fig. 1 is a kind of structure composed signal for the network node that application layer of the present invention is separated with session transport layer
Figure, as shown in figure 1, inventive network node A is split as application node A and session transmissions node A.
Fig. 2 be Fig. 1 of the present invention shown in network node between realize communication method embodiment flow chart, with reference to
In Fig. 1, the present embodiment, it is assumed that application node A of the invention is needed respectively to traditional network node B
Message B and message C is sent with traditional network node C, is specifically included：
Step 200：Application node A is respectively completed message B and message C expression layer and/or application layer envelope
Dress, by the expression layer and/or application layer payload and message C expression layer of the message B after encapsulation and/
Or application layer payload is delivered to session by the interface between application node A and session transmission node A and passed
Defeated node A.
In this step, application node A can specify the information i.e. target network node B of target network node
With target network node C resource name and transport-type such as transmission control protocol (TCP, Transmission
Control Protocol) or UDP (UDP, User Datagram Protocol) etc.；Its
In, target network node resource name can be URL (URL, Uniform Resource
Locator agreement (IP, Internet Protoco, the referred to as net association) address that), is interconnected between network or
Other marks.Wherein, the information of target network node and message B expression layers and/or application layer payload
It is encapsulated in together in specific interface with message C expression layers and/or application layer payload, in application node
Transmitted between session transmission node.
In this step, the interface of message dilivery to session transmission node A can be data by application node A
Customized interface in center, such as payload are transmitted plus pure IP, or other tunnels or non-IP
Interface mode etc..
In the present invention, application node specifies parameter to be used for session transmissions node, so, session transmissions section
Point can be with dynamic select and establishment link.Mark can be the parameter that domain name etc. is issued in advance in addition, be not required to
Want offered Connecting quantity such as address and port numbers etc..
Step 201：Session transmissions node A divides according to the resource name and transport-type of target network node
Other session relationship and transmission link to should determine that network node B and network node C.
Wherein it is determined that session relationship generates one such as according to this message and with the subsequent message of this message relating
The secondary session id completely interacted, recording conversation entry etc..
If in step 200, the resource name of the not specified target network nodes of application node A and transmission class
Type, then, this step also includes：Session transmissions node A can be by being locally configured strategy or third party
Determine the resource name and transport-type of target network node.
Step 202：Session transmissions node A is by selected transmission link, by the message B of acquisition table
Show layer and/or application layer payload conversate layer, and/or transport layer (such as TCP or UDP) and/
Or network node B is sent to after the encapsulation such as Internet, and/or data link layer, by the message C's of acquisition
Expression layer and/or application layer payload carry out network node and communicate necessary session layer, and/or transport layer
Network section is sent to after the encapsulation of (such as TCP or UDP), and/or Internet, and/or data link layer
Point C.
In this step, session transmissions node A can be to the message B/ message C expression layers of acquisition and/or application
Layer payload carry out network node communication it is necessary including session layer, and/or transport layer, and/or Internet,
And/or it is sent to corresponding purpose network node after the encapsulation such as data link layer.
Fig. 3 is of the invention based on the framework shown in Fig. 1, with the mobile management entity of 4G mobile core networks
(MME, Mobility Management Entity) and home subscriber server (HSS, Home
Subscriber Server) between realize communication embodiment schematic flow sheet, in the present embodiment, pass
The MME of system has split into MME application nodes and MME session transmissions nodes, when MME applications are saved
When point is needed to HSS transmission authentication information acquisition message, according to realization communication between inventive network node
Method, as shown in figure 3, specifically including following steps：
Step 300：Authentication information is obtained message and sealed according to Diameter application protocols by MME application nodes
After dress, application layer payload is passed through into connecing between MME application nodes and MME session transmissions nodes
Mouth is delivered to MME session transmissions nodes.
In this step, MME application nodes can specify the information of target network node to be target HSS simultaneously
Diameter host name and transport-type such as SCTP.
In this step, MME application nodes can be with by the interface of message dilivery to MME session transmissions nodes
For customized interface in data center, such as payload is transmitted plus pure IP, or other tunnels or
Non- IP interface modes etc..
Wherein, Diameter is the upgraded version of radius protocol, and Diameter is an association
Discuss cluster, including basic agreement, network insertion service (NAS) agreement, expansible discriminating (EAP) association
View, mobile IP (MIP) agreement, code message grammer (CMS) agreement etc..
Step 301：MME session transmissions node is according to target HSS Diameter host name and transmission
Type is SCTP, searches whether to have had built up transmission link, if do not set up, newly-built vertical chain
Road is as transmitting path, if set up, and selects the transmission link having built up as transmitting path.
If in step 300, the not specified target HSS of MME application nodes Diameter host name
And transport-type, then, this step also includes：MME session transmissions node can be by being locally configured plan
Summary or third party determine target HSS Diameter host name and transport-type.
Step 302：MME session transmissions node is by selected transmission link, by the authentication information of acquisition
Obtain message expression layer and/or application layer payload be transmitted layer SCTP, and/or Internet and/
Or after data link layer encapsulation, the message after encapsulation is sent to target HSS.
Another structure composed signal for the network node that Fig. 4 application layers of the present invention are separated with session transport layer
Figure, as shown in figure 4, application node A and application node C belong to such as data center of same data center
1, it therefore, it can shared same session transmissions node A and communicated；In another data center such as data
The network node B at center 2 can be traditional network node, it would however also be possible to employ network node of the invention
Framework as shown in Figure 4 include application node B and session transmissions node B.
Fig. 5 (a) is of the invention based on the framework shown in Fig. 4, with the MME of 4G mobile core networks and service
The schematic flow sheet of the embodiment of communication is realized between gateway (SGW, Serving GW), in this implementation
In example, MME application nodes adhere to different data centers separately from SGW application nodes, when MME applications
When node is needed to SGW application nodes transmission establishment conversation request message, according to inventive network node
Between realize the method for communication, specifically include following steps：
Step 500a：MME application nodes will create conversation request message and be encapsulated according to GTP application protocols
Afterwards, application layer payload is delivered to MME session transmissions nodes by interface.
In this step, MME application nodes can specify target SGW domain name and transport-type such as UDP.
In this step, MME application nodes can be with by the mode of message dilivery to MME session transmissions nodes
It is pure IP modes, or the other modes that its affiliated data center defines.
Step 501a：MME session transmissions node passes through DNS modes according to target SGW domain name
Or local hostfile modes find target SGW IP address.
If in step 500a, the not specified target SGW of MME application nodes domain name and transmission class
Type, then, this step also includes：MME session transmissions node can be by being locally configured strategy or the 3rd
Side determines target SGW domain name and transport-type.
Step 502a：MME session transmissions node will create session request application layer payload according to biography
After defeated type such as UDP encapsulation (as encapsulation UDP and IP is first-class), the message after encapsulation is sent to mesh
Mark SGW SGW session transmissions nodes.
Step 503a：The message received is taken out application layer by target SGW SGW session transmissions node
Payload is delivered to target SGW SGW application nodes.
Fig. 5 (b) is of the invention based on the framework shown in Fig. 4, with 4G mobile cores inside same data center
The stream of the embodiment of communication is realized between SGW and PDN Gateway (PGW, PDN GW) gateway of net
Journey schematic diagram, in the present embodiment, is created when SGW application nodes need to send to PGW application nodes
During conversation request message, according to the method that communication is realized between inventive network node, following step is specifically included
Suddenly：
Step 500b：SGW application nodes will create conversation request message and be encapsulated according to GTP application protocols
Afterwards, it is delivered to session transmissions node by specific interface.
In this step, SGW application nodes can specify target PGW domain name and transport-type such as UDP.
In this step, the application layer payload for creating conversation request message is delivered to by SGW application nodes
The mode of session transmissions node can be pure IP modes, or its other party that its affiliated data center defines
Formula.
Step 501b：Session transmissions node uses DNS or local according to target PGW domain name
Hostfile modes find target PGW IP address, and are judged as notebook data central interior application node.
If in step 500b, the not specified target PGW of SGW application nodes domain name and transport-type,
So, this step also includes：Session transmissions node can determine mesh by the way that strategy or third party is locally configured
Mark PGW domain name and transport-type.
Step 502b：Session transmissions node will create session request application layer payload according to transmission class
After type such as UDP encapsulation (as encapsulation UDP and IP is first-class), the message after encapsulation is sent to target PGW
Application node.Optionally, transmission session node can also will create conversation request message taking-up application layer and have
Load is imitated, message is passed into target PGW according to notebook data central interior cognizable packing forms should
With node, for example, UDP need not be encapsulated, use self defined interface etc..
Another structure composed signal for the network node that Fig. 6 application layers of the present invention are separated with session transport layer
Figure, as shown in fig. 6, session transmissions node of the present invention is split as session node A, and transmission node A.
Wherein, transmission node A can also be further broken into multiple transmission nodes of the different transport-types of correspondence,
Transmission node A1 and transmission node A2 as shown in Figure 6.Network node shown in Fig. 7 Fig. 6 of the present invention
Between realize communication method embodiment flow chart, with reference to Fig. 6, in the present embodiment, session node A systems
Session relationship on one management all kinds transmission, session node A can call multiple different types
Transmission node.Wherein, the transmission node A in the present embodiment is merely responsible for transport layer process, such as TCP
Link setup and data are sent, and include the transmission node A1 and transmission node A2 of the different transport-types of correspondence.
When the application node A in the present embodiment is needed to traditional network node B and traditional network node C hairs
When sending message, specifically include：
Step 700：Application node A is respectively completed message B and message C expression layer and/or application layer envelope
Dress, by the expression layer and/or application layer payload and message C expression layer of the message B after encapsulation and/
Or application layer payload is delivered to session node A by specific interface.
In this step, application node A can specify target network node B and target network node C money
Parent name and transport-type such as TCP or UDP etc.；Wherein, the resource name of target network node can be URL,
IP address or other marks.
In this step, the mode that message payload is delivered to session node A by application node A can be
Pure IP modes, or it belongs to the other modes that data center defines.
Step 701：Session node A is specified according to the resource name and application node A of target network node
Transport-type, respectively determine to target network node such as network node B and network node C session pass
System.Wherein determine that session relationship can be generated such as according to this message and with the subsequent message of this message relating
The session id once completely interacted, recording conversation entry etc..Optionally, session node A can be further
Carry out network node and communicate necessary session layer encapsulation.
If in step 700.The resource name and transmission class of the not specified target network nodes of application node A
Type, then, this step also includes：Session node A can be determined by the way that strategy or third party is locally configured
The resource name and transport-type of target network node.
Step 702：Session node A effectively carries message B session layer and/or expression layer and/or application layer
Lotus and message C session layer and/or expression layer and/or application layer payload are thrown respectively by specific interface
Pass transmission node A1 and transmission node A2.
In this step, session node A is effective by message B session layer and/or expression layer and/or application layer
Load and message C session layer and/or expression layer and/or application layer payload are delivered to transmission section respectively
Point A1 and transmission node A2 mode can be pure IP modes, or it belongs to data center's definition
Other modes.In the present embodiment, it is assumed that be also used for the mark that transmission node selects transmission link comprising one
Know such as target ip address and destination port number.
Step 703：Transmission node A1 or transmission node A2 selection established connections or newly-built
Transmission link.
Step 704：Transmission node A1 is by selected transmission link, by the message B of acquisition session layer
And/or expression layer and/or application layer payload are transmitted layer (such as TCP or UDP), and/or network
Network node B is sent to after the encapsulation such as side, and/or data link layer；Transmission node A2 passes through selected
Transmission link, the message C session layers and/or expression layer and/or application layer payload of acquisition are passed
Net is sent to after defeated layer (such as TCP or UDP), and/or network side, and/or data link layer encapsulation
Network node C.
Fig. 8 is of the invention based on the framework shown in Fig. 6, with the MME and HSS of 4G mobile core networks
Between realize communication embodiment schematic flow sheet, in the present embodiment, traditional MME is split into
MME application nodes, MME session nodes and SCTP transmission nodes., when MME application nodes
When needing to HSS transmission renewal location request messages, according to the side that communication is realized between inventive network node
Method, as shown in figure 9, specifically including following steps：
Step 900：MME application nodes will update location request message and be sealed according to Diameter application protocols
After dress, MME session nodes are delivered to by specific interface.
In this step, MME application nodes can specify target HSS Diameter host name and transmission
Type such as SCTP.
In this step, MME application nodes are delivered to location request message application layer payload is updated
The mode of MME session nodes can be pure IP modes, or it belongs to other that data center defines
Mode.
Step 901：MME session nodes are according to target HSS Diameter host name, according to source MME
Nodal information and target HSS nodal informations, are this interacting message generation Diameter session ids and meeting
Words record, and select corresponding support SCTP transmission node；
In this step, if the not specified target HSS of MME application nodes Diameter host name and biography
Defeated type, MME session nodes can determine target HSS's by the way that strategy or third party is locally configured
Diameter host name and transport-type.
Step 902：MME session nodes will update location request message application layer payload by specific
Interface is delivered to the SCTP transmission nodes determined, and specify target HSS IP address or other be used for
SCTP transmission nodes select the mark of transmission link.
In this step, messages application layer payload is delivered to SCTP transmission nodes by MME session nodes
Can be the other modes defined in pure IP modes or data center；
Step 903：SCTP transmission nodes according to Target IP or other be used for transmission node and select link
Mark, selection or newly-built transmission link.
Step 904：SCTP will update location request message application layer payload and carry out SCTP and IP
After the encapsulation such as head, MAC header, message is finally sent to target HSS.
The present invention also provides the device communicated between implemented below network node：
Fig. 9 is a kind of composition structural representation for realizing the device communicated between network node of the present invention, is such as schemed
Shown in 9, including first processing module, first interface module；Wherein,
First processing module, for the message for needing to send to be indicated into layer and/or application layer encapsulation；
First interface module, for packaged expression layer and/or application layer payload to be delivered into session
Transmission node.
Fig. 9 shown devices can be set within network nodes, or can also be an independent community.
Figure 10 is another composition structural representation for realizing the device communicated between network node of the present invention, such as
Shown in Figure 10, including Second processing module, second interface module；Wherein,
Second processing module, for receiving the expression layer and/or application layer that send the need for the application node
Payload；Transmission link is determined according to target network node and transport-type；
Second interface module, has the expression layer and/or application layer of acquisition for the transmission link by determination
Imitate load carry out network node communication it is necessary including session layer, and/or transport layer, and/or Internet and
/ or the encapsulation such as data link layer after be sent to target network node.
Wherein, the information and transport-type of target network node are specified by the application node；Or,
Second processing module is additionally operable to：Target network node is determined by the way that strategy or third party is locally configured
Information and transport-type.
Wherein, Second processing module determines that transmission link includes：
According to the information and transport-type of target network node, search whether to have had built up transmission link,
If do not set up, newly-built transmission link of writing a biography is as transmitting path, if set up, and selects to have built
Vertical transmission link is used as transmitting path.
Figure 10 shown devices can be set within network nodes；Or can also be an independent community.
For the present invention, another realizes the composition structural representation of the device communicated between network node to Figure 11, such as
Shown in Figure 11, including the 3rd processing module, the 3rd interface module；Wherein,
3rd processing module, for receiving expression layer and/or application layer payload from application node；
Corresponding transmission node is determined according to target network node and transport-type；
3rd interface module, expression layer and/or application layer payload for self-application node in future are delivered
To the transmission node selected and specify target network node or other be used for transmission node select link mark
Know.
Further, the 3rd interface module is additionally operable to：The expression layer and/or application layer payload are entered
Redelivered after guild's session layer encapsulation to the transmission node selected.
Wherein, the information and transport-type of target network node are specified by the application node；Or,
3rd processing module is additionally operable to：Target network node is determined by the way that strategy or third party is locally configured
Information and transport-type.
Wherein, the 3rd processing module determines that transmission link includes：
According to the information and transport-type of target network node, search whether to have had built up transmission link,
If do not set up, newly-built transmission link of writing a biography is as transmitting path, if set up, and selects to have built
Vertical transmission link is used as transmitting path.
Device shown in Figure 11 can be set within network nodes；Or session transmissions section can also be arranged on
Point in；Or can also be an independent community.
For the present invention, another realizes the composition structural representation of the device communicated between network node to Figure 12, such as
Shown in Figure 12, including fourth processing module, the 4th interface module；Wherein,
Fourth processing module, for receiving session layer and/or expression layer and/or application layer from session node
Payload；According to from the target network node of session node or other be used for transmission node select link
Mark determine transmission link；
4th interface module, for the transmission link by determination by the session layer and/or expression layer of acquisition and
/ or application layer payload carry out network node communication it is necessary including transport layer, and/or Internet and/
Or it is sent to the target network node after the encapsulation such as data link layer.
Device shown in Figure 12 can be set within network nodes；Or session transmissions section can also be arranged on
Point in；Or can also be an independent community.
It is described above, it is only the preferred embodiments of the present invention, is not intended to limit the protection model of the present invention
Enclose.Within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc.,
It should be included in the scope of the protection.
Claims (30)
1. a kind of network node, it is characterised in that including the application section for completing the related processing of application
Point, and for the session transmissions node for the processing for completing the necessary session of communication and transmission；
Wherein, application node, the encapsulation for the message for needing to send to be indicated to layer and/or application layer
After be delivered to session transmissions node；
Session transmissions node, session relationship is determined for the information and transport-type according to target network node
And transmission link, and the expression layer and/or application layer of transmission link self-application in the future node for passing through determination have
Effect load carries out including the envelope of session layer, and/or transport layer, and/or Internet, and/or data link layer
Target network node is sent to after dress.
2. network node according to claim 1, it is characterised in that belong to same data center
The different application nodes share the same session transmissions node, or passed using the different sessions
Defeated node.
3. network node according to claim 1, it is characterised in that the session transmissions node bag
Include：Session node for completing the necessary Dialog processing of communication, and communication is necessary to be passed for completing
The transmission node of defeated processing；Wherein,
Session node, corresponding transmission section is determined for the information and transport-type according to target network node
Point；The expression layer and/or application layer payload from the application node are delivered to what is selected
Transmission node and specify target network node or other be used for transmission node select link mark；
Transmission node, for according to target network node or other be used for transmission node select link mark
Determine transmission link, and by the transmission link of determination by the payload of acquisition include transport layer,
And/or the target network node is sent to after Internet, and/or data link layer encapsulation.
4. network node according to claim 3, it is characterised in that the session node is additionally operable to：
Redeliver and selected to described after the layer that conversated to the expression layer and/or application layer payload encapsulation
Transmission node.
5. the method according to claim 3 or 4, it is characterised in that the transmission node is not according to
It is divided into one or more transmission nodes with transport-type；
The same session node calls the transmission node of multiple different transport-types to send disappearing for corresponding types
Breath.
6. the network node according to claim 1,3 or 4, it is characterised in that the target network
The information and transport-type of network node are specified by the application node；Or,
The session transmissions node or the session node are additionally operable to：By the way that strategy or third party is locally configured
Determine the information and transport-type of the target network node.
7. the network node according to claim 1,3 or 4, it is characterised in that the session is passed
Defeated node or session node determine that the transmission link includes：
According to the information and transport-type of the target network node, search whether to have had built up chain
Road, if do not set up, newly-built transmission link of writing a biography, if set up, is selected as transmitting path
The transmission link being set up is as transmitting path.
8. network node according to claim 1 or 2, it is characterised in that the application node with
The session transmissions node is two independent entities, or to be arranged on the different moulds in same entity
Block.
9. the network node according to claim 3 or 4, it is characterised in that the application node,
The session node and the transmission node are three independent entities, or to be arranged in same entity
Different modules.
10. the network node according to claim 3,4 or 8, it is characterised in that the session section
Point and the transmission node are two independent entities, or to be arranged on the different moulds in same entity
Block.
11. a kind of realize the device communicated between network node, it is characterised in that including first processing module,
First interface module；Wherein,
First processing module, for the message for needing to send to be indicated into layer and/or application layer encapsulation；
First interface module, for packaged expression layer and/or application layer payload to be delivered into session
Transmission node.
12. device according to claim 11, it is characterised in that described device is arranged on network section
In point, or it is an independent community.
13. a kind of realize the device communicated between network node, it is characterised in that including Second processing module,
Second interface module；Wherein,
Second processing module, for receiving expression layer and/or application layer payload from application node；
Transmission link is determined according to target network node and transport-type；
Second interface module, has the expression layer and/or application layer of acquisition for the transmission link by determination
Effect load carries out including session layer, and/or transport layer, and/or Internet, and/or data link layer encapsulation
After be sent to target network node.
14. device according to claim 13, it is characterised in that the letter of the target network node
Breath and transport-type are specified by the application node；Or,
The Second processing module is additionally operable to：The target network is determined by the way that strategy or third party is locally configured
The information and transport-type of network node.
15. device according to claim 14, it is characterised in that the Second processing module is determined
The transmission link includes：
According to the information and transport-type of the target network node, search whether to have had built up chain
Road, if do not set up, newly-built transmission link of writing a biography, if set up, is selected as transmitting path
The transmission link being set up is as transmitting path.
16. the device according to any one of claim 13~15, it is characterised in that described device is set
Put within network nodes；Or be an independent community.
17. a kind of realize the device communicated between network node, it is characterised in that including the 3rd processing module,
3rd interface module；Wherein,
3rd processing module, for receiving expression layer and/or application layer payload from application node；
Corresponding transmission node is determined according to target network node and transport-type；
3rd interface module, expression layer and/or application layer payload for self-application node in future are delivered
To the transmission node selected and specify target network node or other be used for transmission node select link mark
Know.
18. device according to claim 17, it is characterised in that the 3rd interface module is additionally operable to：
Redeliver and selected to described after the layer that conversated to the expression layer and/or application layer payload encapsulation
Transmission node.
19. the device according to claim 17 or 18, it is characterised in that the objective network section
The information and transport-type of point are specified by the application node；Or,
3rd processing module is additionally operable to：The target network is determined by the way that strategy or third party is locally configured
The information and transport-type of network node.
20. device according to claim 18, it is characterised in that the 3rd processing module is determined
The transmission link includes：
According to the information and transport-type of the target network node, search whether to have had built up chain
Road, if do not set up, newly-built transmission link of writing a biography, if set up, is selected as transmitting path
The transmission link being set up is as transmitting path.
21. the device according to claim 17 or 18, it is characterised in that described device is arranged on
In network node；Or be arranged in session transmissions node；Or be an independent community.
22. a kind of realize the device communicated between network node, it is characterised in that including fourth processing module,
4th interface module；Wherein,
Fourth processing module, for receiving session layer and/or expression layer and/or application layer from session node
Payload；According to from the target network node of session node or other be used for transmission node select link
Mark determine transmission link；
4th interface module, for the transmission link by determination by the session layer and/or expression layer of acquisition and
/ or application layer payload be transmitted after layer, and/or Internet, and/or data link layer encapsulation send
To the target network node.
23. device according to claim 22, it is characterised in that described device is arranged on network section
Point in；Or be arranged in session transmissions node；Or be an independent community.
24. a kind of realize the method communicated between network node, it is characterised in that network node is split as using
In the application node of the related processing of completion application, and for completing the necessary session of communication and transmission
The session transmissions node of processing；Including：
Application node completes to need the expression layer and/or application layer of the message sent to encapsulate, and will be packaged
Expression layer and/or application layer payload are delivered to session transmissions node；
Session transmissions node determines transmission link according to the information and transport-type of target network node, and leads to
Cross the transmission link that determines by the expression layer of acquisition and/or application layer payload include session layer and
/ or transport layer, and/or Internet, and/or data link layer encapsulation after be sent to target network node.
25. method according to claim 24, it is characterised in that belong to same data center
The different application nodes share the same session transmissions node, or use the different session transmissions
Node.
26. method according to claim 24, it is characterised in that the session transmissions node is split
For the session node for completing the necessary Dialog processing of communication, and for completing the necessary transmission of communication
The transmission node of processing；
Session node determines corresponding transmission node according to target network node and transport-type；Will be from institute
The expression layer and/or application layer payload for stating application node are delivered to the transmission node selected and specified
Target network node or other be used for transmission node select link mark；
Transmission node determines to pass according to target network node or other marks for being used for transmission node selection link
Transmission link, and wrapped the expression layer of acquisition and/or application layer payload by the transmission link of determination
Include and the target network node is sent to after transport layer, and/or Internet, and/or data link layer encapsulation.
27. method according to claim 26, it is characterised in that this method also includes：The meeting
Words node conversates after layer is encapsulated to the expression layer and/or application layer payload and redelivered to described
The transmission node selected.
28. the method according to claim 26 or 27, it is characterised in that the transmission node is pressed
It is divided into one or more transmission nodes according to different transport-types；
The same session node calls the transmission node of multiple different transport-types to send disappearing for corresponding types
Breath.
29. the method according to claim 24,26 or 27, it is characterised in that the target network
The information and transport-type of network node are specified by the application node；Or,
This method also includes：The session transmissions node or the session node by be locally configured strategy or
Third party determines the information and transport-type of the target network node.
30. the method according to claim 24,26 or 27, it is characterised in that the session is passed
Defeated node or session node determine that the transmission link includes：
According to the information and transport-type of the target network node, search whether to have had built up chain
Road, if do not set up, newly-built transmission link of writing a biography, if set up, is selected as transmitting path
The transmission link being set up is as transmitting path.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610161228.8A CN107222450A (en) | 2016-03-21 | 2016-03-21 | A kind of network node and realize the method and apparatus communicated between network node |
| PCT/CN2017/076672 WO2017162071A1 (en) | 2016-03-21 | 2017-03-14 | Network node, method and device for communicating between network nodes, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610161228.8A CN107222450A (en) | 2016-03-21 | 2016-03-21 | A kind of network node and realize the method and apparatus communicated between network node |
Publications (1)
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| CN107222450A true CN107222450A (en) | 2017-09-29 |
Family
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| CN201610161228.8A Withdrawn CN107222450A (en) | 2016-03-21 | 2016-03-21 | A kind of network node and realize the method and apparatus communicated between network node |
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| CN (1) | CN107222450A (en) |
| WO (1) | WO2017162071A1 (en) |
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| CN112291816A (en) * | 2020-11-13 | 2021-01-29 | Oppo广东移动通信有限公司 | Data transmission method, device, storage medium and electronic equipment |
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